fixed minor bugs in demo scripts and run_stem

[urisagit/Stem.git] / bin / chat_demo

#!/usr/local/bin/perl -s

$line_cnt = 10 ;
$offset = 175 ;
$base_off = 0 ;
$xskip = ( $^O eq 'solaris' ) ? 600 : 500 ;

print "CHAT DEMO\n" ;

use File::Basename qw( basename );
$ENV{PATH} .= ':' . basename( $0 ) . ':.';
for my $prog qw( run_stem xterm telnet ) {
    die "Can't find $prog in PATH\n" if
        system( "which $prog >/dev/null 2>&1" ) != 0;
}

my @children ;

$SIG{ 'INT' } = \&cleanup ;

if ( $s ) {

	$ssfe = 'ssfe' ;
	$prompt = '-prompt Stem:' ;
	$prompt2 = '-prompt Chat:' ;
	$echo = 'console_echo=1'
}

foreach $cmd ( split /\n/, <<EOT ) {
xterm -T Chat -n Chat -geometry 80x40+XSKIP+0 -e $ssfe $prompt run_stem $echo chat
xterm -T A -n A -geometry 80xLINE+0+OFF -e $ssfe $prompt2 telnet localhost 6666
xterm -T B -n B -geometry 80xLINE+0+OFF -e $ssfe $prompt2 telnet localhost 6667
xterm -T C -n C -geometry 80xLINE+0+OFF -e $ssfe $prompt2 telnet localhost 6668
xterm -T D -n D -geometry 80xLINE+0+OFF -e $ssfe $prompt2 telnet localhost 6669
EOT

	$cmd =~ s/XSKIP/$xskip/ ;

	$cmd =~ s/LINE/$line_cnt/ ;
	$cmd =~ s/OFF/$base_off/ and $base_off += $offset ;

print "$cmd\n" ;

	@cmd = split ' ', $cmd ;

	s/:/: / for @cmd ;

	fork_exec( @cmd ) ;
	sleep 4 unless $cmd =~ /localhost/ ;
}

1 while wait() != -1;

exit;



sub cleanup {

	print "clean up\n" ;

	kill 9, @children ;

	wait ;	
	exit ;

}

sub fork_exec {

	my( @exec ) = @_ ;

	if ( $pid = fork() ) {

		push @children, $pid ;
		return ;
	}

	exec @exec ;
}